Question

Please provide a detailed history of the simple machine known as the screw.

Answer 1

A screw is one of the six simple machines. A simple screw is a helical inclined plane. A screw can convert a rotational force (torque) to a linear force and vice versa. The ratio of threading determines the mechanical advantage of the machine.

Answer 2

3rd time's a charm?

Answer 3

Ancient Egypt, thousands of years ago. They drilled through jewelry with them.